Oil cap



FIG. 1 is a front view of an oil cap;

FIG. 2 is a left side view of the oil cap;

FIG. 3 is a right-side view of the oil cap;

FIG. 4 is a top view of the oil cap;

FIG. 5 is a bottom view of the oil cap;

FIG. 6 is an environmental perspective view of the oil cap shown in use; and,

FIG. 7 is an exploded view of the oil cap.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM I claim the ornamental design for a “oil cap”, as shown and described. 